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Finding the Fourth Proportional to 472,392,405.80, 708,588,608.70 and 469,522,624.40

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Solution

The fourth proportional to 472,392,405.80, 708,588,608.70 and 469,522,624.40 is: 704,283,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,405.80 : 708,588,608.70 = 469,522,624.40 : x
  2. Step 2: Convert to fraction form
    472,392,405.80/708,588,608.70 = 469,522,624.40/x
  3. Step 3: Cross multiply
    472,392,405.80x = 708,588,608.70 × 469,522,624.40
  4. Step 4: Simplify right side
    472,392,405.80x = 332,698,383,176,768,704
  5. Step 5: Solve for x
    x = 332,698,383,176,768,704/472,392,405.80
  6. Step 6: Final answer
    x = 704,283,936.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.